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f(x) = 1 - 12x + 3x^2 - 4x^3 + 5x^4 and g(x) = 3 - 2x - 6x^3 + 10x^4.  Find c such that the polynomial f(x) + cg(x) has a degree 3.

 May 25, 2021
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the 5 x^4    and the   c * 10 x^4    will need to cancel out and disappear

      so c must equal  - 1/2   

 May 25, 2021

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